Arias Pistons 12.5:1 Compression 82mm Bore Honda B-series on 2040-parts.com

Mercedes fixes diesel injector problems

Mercedes say that a new injector system for C Class and E Class diesels with the OM651 engine have now been fixed. So extensive was the problem that many owners were waiting months for their cars to be fixed as Mercedes struggled with a mounting pile of broken cars and injectors that were failing. Mercedes tell us that the problem was fixed with the release of new injectors later in 2010, but Cars UK readers have continued to complain about their cars needing multiple visits to dealers with injectors failing multiple times (that original story garnered more than 500 comments from disgruntled Mercedes owners).

More audio, mileage for the 2011 Honda Accord

Honda's updated 2011 Accord sedan and coupe will hit dealerships in mid-August. The Accord gets a refresh inside and out, a new leather-equipped Special Edition model and a handful of other interior upgrades. Fuel-economy improvements--a result of improved aerodynamics, less engine friction and new gear ratios--mean 34 mpg on the highway for the four-cylinder and 30 mpg for the V6.

New Mercedes-Benz SUV coupe for Beijing

Mercedes-Benz Mercedes-Benz has teased its answer to the BMW X6 ahead of its unveiling at the 2014 Beijing Motor Show. The coupe SUV – which is likely to be called the MLC – will be based on the ML and shown at Beijing in concept form, before a production vehicle is revealed next year. Like the X6, the Mercedes-Benz concept coupe SUV features a rakish rear roofline and is likely to divide opinion among buyers.